[USGS Logo]
West Nile Virus
Mosquito
2014
Picture of Mosquito
USGS Logo Banner
West Nile Virus:  USA - Mosquito
Washington Washington Washington Montana Maine Maine North Dakota South Dakota Wyoming Wisconsin Wisconsin Idaho Vermont Minnesota Oregon New Hampshire Iowa Massachusetts Massachusetts Massachusetts Nebraska New York New York New York New York Pennsylvania Connecticut Rhode Island Rhode Island Rhode Island New Jersey Indiana Nevada Utah California California California California California Ohio Illinois District of Columbia Delaware West Virginia Maryland Maryland Maryland Maryland Colorado Kentucky Kentucky Kansas Virginia Virginia Virginia Missouri Arizona Oklahoma North Carolina North Carolina North Carolina North Carolina North Carolina North Carolina Tennessee Texas Texas Texas Texas Texas Texas New Mexico Alabama Mississippi Georgia Georgia South Carolina South Carolina Arkansas Louisiana Louisiana Louisiana Louisiana Florida Florida Florida Florida Florida Florida Florida Michigan Michigan Michigan Michigan Michigan
Map Scalebar 1000000 m
Cumulative 2014 Data as of 3 am, Nov 19, 2014*
These data are provisional and may be revised or adjusted in the future.
Arizona196
California3302
Colorado196
Connecticut68
Georgia36
Idaho62
Illinois1248
Indiana177
Iowa15
Kansas1
Louisiana925
Maryland33
Massachusetts55
Michigan10
Minnesota21
Mississippi67
Missouri43
Montana12
Nebraska247
Nevada97
New Hampshire1
New Jersey303
New Mexico2
New York752
North Dakota6
Ohio369
Oklahoma9
Oregon30
Pennsylvania1435
Rhode Island2
South Carolina1
South Dakota75
Tennessee721
Texas2024
Utah167
Vermont8
Virginia464
Washington80
West Virginia25
Wisconsin3
Wyoming12
Cumulative Total Entire Country: 13,300
NEW Dynamic Map Viewer
You can also navigate to Adjacent States by clicking on them.
Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.